Astrolabes and Angels, Epigrams and Enigmas PDF Download

Author: David A. King
Publisher: Franz Steiner Verlag Wiesbaden GmbH
ISBN:
Category : Acrostics
Languages : en
Pages : 368

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Book Description
On the astrolabe presented by the young German astronomer Regiomontanus to his ageing patron Cardinal Bessarion there is a Latin epigram and the image of an angel. The former is a geometrically-arranged acrostic with eight hidden vertical axes. Of these, the two principal ones correspond precisely to the two principal axes of the enigmatic painting "The Flagellation of Christ" by Piero della Francesca. In this are five figures in a flagellation scene on the left and three "modern" figures on the right, including a bearded Greek and an "angelic" young man in cardinal red. Over 40 interpretations of the three "moderns" have been proposed over the past 150 years. In this book, David King shows how clusters of letters across the epigram reveal double or multiple identities for each and every one of the eight persons in the painting. The only new person in the drama is Regiomontanus, whose epigram provided the inspiration for the painting. His image embodies three talented young men close to Bessarion who had recently died, and also symbolizes the cardinal's hope for the future.

Author: David A. King
Publisher: Taylor & Francis
ISBN: 1040241824
Category : History
Languages : en
Pages : 422

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Book Description
This is the fourth set of studies in the Variorum series by David King, a leading authority on the history of astronomy in Islamic civilization and on medieval astronomical instruments, European as well as Islamic. The first of the eleven studies collected here deals with medieval instruments in general, as precious historical sources. The following papers focus on individual astrolabes from the European Middle Ages and early Renaissance that are of singular historical importance. Two look at the origins of the simple universal horary quadrant and the complicated universal horary dial (navicula). The collection concludes with a list of all known medieval European astrolabes, ordered chronologically by region. Three "landmark" astrolabes are discussed: (1) the earliest known European astrolabe from 10th-century Catalonia, that milieu in which the astrolabe first became known to Europeans; (2) an astrolabe from 14th-century Picardy bearing numerals written in monastic ciphers as well as a later dedication mentioning two friends of Erasmus; (3) the splendid astrolabe presented in 1462 by the German astronomer Regiomontanus to his patron Cardinal Bessarion, with its enigmatic angel and Latin dedication, here presented in the context of other astrolabes of similar design from 15th-century Vienna.

Author: David A. King
Publisher: Routledge
ISBN: 1000585158
Category : History
Languages : en
Pages : 357

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Book Description
This volume of 12 studies, mainly published during the past 15 years, begins with an overview of the Islamic astronomy covering not only sophisticated mathematical astronomy and instrumentation but also simple folk astronomy, and the ways in which astronomy was used in the service of religion. It continues with discussions of the importance of Islamic instruments and scientific manuscript illustrations. Three studies deal with the regional schools that developed in Islamic astronomy, in this case, Egypt and the Maghrib. Another focuses on a curious astrological table for calculating the length of life of any individual. The notion of the world centred on the sacred Kaaba in Mecca inspired both astronomers and proponents of folk astronomy to propose methods for finding the qibla, or sacred direction towards the Kaaba; their activities are surveyed here. The interaction between the mathematical and folk traditions in astronomy is then illustrated by an 11th-century text on the qibla in Transoxania. The last three studies deal with an account of the geodetic measurements sponsored by the Caliph al-Ma'mûn in the 9th century; a world-map in the tradition of the 11th-century polymath al-Bîrûnî, alas corrupted by careless copying; and a table of geographical coordinates from 15th-century Egypt.

Author: Albrecht Classen
Publisher: Walter de Gruyter
ISBN: 3110215586
Category : Literary Criticism
Languages : en
Pages : 2822

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Book Description
This interdisciplinary handbook provides extensive information about research in medieval studies and its most important results over the last decades. The handbook is a reference work which enables the readers to quickly and purposely gain insight into the important research discussions and to inform themselves about the current status of research in the field. The handbook consists of four parts. The first, large section offers articles on all of the main disciplines and discussions of the field. The second section presents articles on the key concepts of modern medieval studies and the debates therein. The third section is a lexicon of the most important text genres of the Middle Ages. The fourth section provides an international bio-bibliographical lexicon of the most prominent medievalists in all disciplines. A comprehensive bibliography rounds off the compendium. The result is a reference work which exhaustively documents the current status of research in medieval studies and brings the disciplines and experts of the field together.

Author: Sigrid Weigel
Publisher: Fordham Univ Press
ISBN: 1531500161
Category : Art
Languages : en
Pages : 300

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Book Description
Grammatology of Images radically alters how we approach images. Instead of asking for the history, power, or essence of images, Sigrid Weigel addresses imaging as such. The book considers how something a-visible gets transformed into an image. Weigel scrutinizes the moment of mis-en-apparition, of making an appearance, and the process of concealment that accompanies any imaging. Weigel reinterprets Derrida’s and Freud’s concept of the trace as that which must be thought before something exists. In doing so, she illuminates the threshold between traces and iconic images, between something immaterial and its pictorial representation. Chapters alternate between general accounts of the line, the index, the effigy, and the cult-image, and case studies from the history of science, art, politics, and religion, involving faces as indicators of emotion, caricatures as effigies of defamation, and angels as embodiments of transcendental ideas. Weigel’s approach to images illuminates fascinating, unexpected correspondences between premodern and contemporary image-practices, between the history of religion and the modern sciences, and between things that are and are not understood as art.

Author: Rustam Shukurov
Publisher: Taylor & Francis
ISBN: 1000937240
Category : History
Languages : en
Pages : 325

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Book Description
This book offers a study into the perceptions of ancient and medieval Iran in the Byzantine Empire, as well as the effects of Persian culture upon Byzantine intellectualism, society, and culture. Byzantine Ideas of Persia, 650-1461 focuses on the place of ancient Persia in Byzantine cultural memory, both in the "religious" and the "secular" sense. By analysing a wide range of historical sources – from church literature to belles-lettres – this book provides an examination of the place of ancient Persia in Byzantine cultural memory, as well as the place and function of Persian motifs in the Byzantine mentality. Additionally, the author uses these sources to analyse thoroughly the knowledge Byzantines had about contemporary Iranian culture, the presence of ethnic Iranians and the circulation and usage of the Persian language in Byzantium. Finally, this book discusses the importance and influence of Iranian science on Byzantine scholars. This book will appeal to scholars and students interested in Byzantine and Iranian History, particularly in reference to the cross-cultural and social influence of the two societies during the Middle Ages.

Author: M. Delbeke
Publisher: BRILL
ISBN: 9004217576
Category : History
Languages : en
Pages : 415

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Book Description
Bringing together contributions from art history, architectural history, historiography and history of law, this volume is the first comprehensive exploration of the manifold meanings of foundation, dedication and consecration rituals and narratives in early modern culture.

Author: Catherine Hayes
Publisher: Routledge
ISBN: 1351609874
Category : Social Science
Languages : en
Pages : 106

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Book Description
This book provides a means of comprehensively grounding and considering the epistemological and philosophical underpinnings of practice-based research epistemologies. By introducing readers to the diverse array of methodological tools and concepts that are necessary to underpin postgraduate research, this book develops an understanding of the distinctions between practice-led research, practice-based research and question-led research, and the contextual significance of each, as well as enabling students to comprehend the historical relationships between academic disciplines and the value of reconnecting them at an epistemological and philosophical level. Through illustrated examples from applied practice across disciplines such as art, social sciences and medical and allied healthcare sciences, readers are encouraged to develop the capacity to not only think conceptually about their own research, but to systematically evaluate that of others. With this focus on descriptive studies from practice, the book fosters higher-order critical thinking in relation to implications for methodological implementation, encouraging deep learning processes and the confidence to transcend the limits of one’s own discipline in order to work collaboratively with researchers in different fields.

Author: Nicole Oresme
Publisher: Franz Steiner Verlag Wiesbaden GmbH
ISBN:
Category : History
Languages : en
Pages : 216

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Book Description
Nicole Oresme (ca. 1320-1384) was one of the most important intellectual figures of the scholastic period: not only was he a leading philosopher, theologian, astronomer and mathematician, but he was also involved in practical matters - he was secretary to the king of France, he was bishop of Lisieux, and he was involved in the assessment of coins and associated political problems. He took part in the teaching of scholastic philosophy, writing numerous commentaries on Aristotle. His contributions to the so-called "latitude of forms", i.e. the quantification of qualities, are universally recognized in modern scholarship. Also connected with university education are his Questiones on the Elements of Euclid, the basic and most widely read of the Greek mathematical classics. These Questiones cannot be regarded as a commentary, but rather examine problems suggested by Euclid's text. Among the subjects investigated are the quantitative change of qualities, e.g. of velocity, colours or heat, in time. There are penetrating analyses of infinite and infinitesimal qualities.

Author: Paolo Galluzzi
Publisher: Giunti GAMM
ISBN:
Category : Art
Languages : en
Pages : 450

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Book Description
Since the dawn of time, man has been fascinated by the night sky and the heavenly bodies that inhabit it. In 1609, Galileo Galilei created an instrument that would change the way the world looked at the heavens forever - the telescope. Galileo: Images of the Universe is a magnificently illustrated volume that takes readers on a journey via the works of artists great and small, known and unknown, from the mystical and poetic visions of the heavens held in Egypt and Mesopotamia, through the Greek cosmogonies and the planetary architecture of Ptolemy, to the heliocentric theories of Copernicus that inspired the likes of Galileo, Kepler, and Newton to create the modern concept of the universe.